Abstract Guided Tissue Regeneration using collagen membrane was investigated by tetracycline fluorchrome labelling,which showed the dynamics of new alevolar bone and cementum formation.

对胶原膜导牙周组织再标本，采用四环素光标记法，观察探导牙周组织再牙槽骨及牙骨质形成过程中的钙化过程。